FIG. 1 is a front-top perspective view of another embodiment of the lighting device; FIG. 2 is a bottom-rear perspective view thereof; FIG. 3 is a top plan view thereof; FIG. 4 is a bottom plan view thereof; FIG. 5 is a front view thereof; FIG. 6 is a rear view thereof; FIG. 7 is a left side view thereof; and, FIG. 8 is a right side view thereof. The dashed lines in the drawing views depict portions of the design that form no part of the claim.